/Engine/Plugins/Experimental/PCG/Source/PCG/Public/PCGCommon.h
Metadata usable in UPROPERTY for customizing the behavior when displaying the property in a property panel or graph node.
namespace PCGObjectMetadata { enum { PCG_Overridable, PCG_NotOverridable, PCG_OverrideAliases, PCG_DiscardPropertySelection, PCG_DiscardExtraSelection, } }